Aki was a young man with medium length black hair and blue eyes. Usually, he wears his hair tied up on top of his head, accompanied by earrings and his sword on his back. He often wears the suit and tie of the Public Security Demon Slayers.He generally seemed to be a very serious person. He acted mature and trustworthy when he was with his fellow demon hunters, but was actually very soft when he was alone. he had a tendency to get attached easily to others and hates seeing people get hurt. 